Case Report
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Sep 21, 2014; 20(35): 12678-12681
Published online Sep 21, 2014. doi: 10.3748/wjg.v20.i35.12678
Figure 1
Figure 1 Colonoscopy showing a huge tumor at the upper rectum. The tumor, measuring 100 mm in diameter, does not show invagination on colonoscopy.